# A368139 (b-file synthesized from sequence entry) 1 2 2 6 3 36 4 1282 5 340880 6 477513804 7 2872221202512 8 72057600262282324 9 7462505061854009276768 10 3169126500572875969052992416 11 5492677668532714149024993226980288 12 38716571525226776302072008065489884436832 13 1106936151351216411420647256070432280699273711360